The leader of the Divine Knife sect, Bai Tian Yu, was mysteriously ambushed and killed in the border town Plum Nunnery. Twenty years later, Fu Hong Xue, leaves the western regions and returned to the central plains (China) in order to investigate his adopted father’s death. At the same time, Bai Tian Yu and Hua Bai Feng’s biological son, Ye Kai, also left for the border town. The two find that it was Bai Tian Yu’s sworn brother, Ma Kong Qun, who organized the assassination. As luck would have it, Ma Kong Qun’s beautiful daughter, Ma Fang Ling falls for Fu Hong Xue, while Ye Kai falls for her…together, they will face Ma Kong Qun.

Sad Sonata is a love story about two men and one woman. The young Joon-young (Kwon Sang Woo), who was raised by his mother who sold liquor to American soldiers, met the blind Hae-in (Kim Hee Sun) and they became childhood sweethearts. Then, Hae-in immigrated to the U.S. following her aunt and her uncle (American soldier that married her aunt). There she met Gun-woo (Yeon Jung Hoon), who was Joon-young's best friend and son of a very rich man. After she received a letter from Hwa-jung saying that Joon-young is dead, she accepted Gun-woo's love. After an operation, Hae-in was able to see again. The story picks up again when composer Joon-young, singer Hae-In, and music producer Gun-woo all meet again.

Set during the reign of King Phrachaoyuhua Borommakot in the second quarter of the eighteenth century when art, literature, and learning flourished, it takes viewers through the fall of Ayutthaya nine years after his death to the liberation of Siam from Burmese occupation during the reign of Taksin the Great, who established the city of Thonburi as the new capital in 1767. The story is told through the attitudes of four present day characters and their past incarnations.

Maysarin is a famous socialite who's engaged to Sarut, but he left her on the day of the wedding. Kadethaen is a 30 year-old real estate businessman who's waiting for Pinmanee, his bride at the reception of a luxury hotel, but he saw her escape the wedding with another man. Kade walked out to a party at the beach, where he met May, who was still in her wedding dress drinking alone. They started drinking together and people thought they were a couple, so they went along with it and he jokingly proposed to her. Afterwards, they went back to the hotel and spent the night together.

In the morning, May regretted what happened and wants to forget about Kade, but he's not going to give up on her.

It is April at Kokubunkan Public High School which is known for being good at both studies and sports. Aoyagi Haruka, the rookie form teacher of Class 3D, swells with hope. However, the assistant form teacher is Takakura Yuko, the biology teacher with a poor reputation in school. Furthermore, the transfer student Toda Toshio suddenly accuses the class prefect Mochizuki Ryohei and others of bad deeds. There is a lot to sort out for the new school term. One day, Class 3D’s Yamagishi Rio is instructed by her boyfriend, Tatsuya, to collect the email addresses of her friends. Tatsuya attends a first rate university and has also passed the bar exam. He belongs to the “winners”, but is in truth a peddler who sells unregulated herbs. In order to keep her relationship with Tatsuya going, Rio caters to his demands even though she knows is it wrong. Before long, there is a spam email that starts the rumour of Rio offering email addresses and encouraging unregulated herbs. An inspection of Rio’s bag is carried out without warning. Rio seeks Haruka’s help and Haruka promises to keep it a secret from the school. However, Yuko points out that Rio is a mere tool of the peddler. In addition, there is a call about the collapse of the students of Class 3D after smoking the unregulated herbs. In an attempt to save an embattled Rio, Haruka asks Yuko for help. But Yuko coldly says that she will save Rio in exchange for Haruka’s first paycheck. Yuko, the classics teacher Uchida Sumire and art teacher Fujii Aya wear different faces from daytime. They are “black teachers” who solve problems in return for large sums of money.

Tian Xin plays a top plastic surgeon who helps a fat man win back his runaway bride. With a killer exercise regimen, plastic surgery, and unwavering determination, she transforms him into a gorgeous looking man.

Yezi's father died young and she left home early to repay her mother's debts, and at the same time she also supports her younger brother with his studies. At the other end of the city, fashion photographer Xiatian and top supermodel Flora are being called the golden pair, successful and famous. However, Xiatian's innermost desire is a simple and straightforward life, he longs to become a wildlife photographer.is girlfriend Flora cannot forget the life of fame and fortune, and Xiatian gets tired of dealing with her until he finally chooses to break up. In Yezi, the convenience store girl, Xiatian saw his own desire for pure happiness

Ritdha High School, the school that not only has gifted students but also the "Gifted Program," a gifted class with only a handful of "special" students were chosen to study in this program. Unfortunately “Pang” a 10th-grade student from lowest class suddenly passed the Gifted placement test for unknown reason. His entrance to the Gifted Program was filled with confusion. He and his new friends in the class started to feel that there is something strange about this class. Eventually, they figure out that this Gifted Program is unleashing something about their "potential" in themselves to be awaken. Their lives are about to change, when great power that fulfill all their dreams come with troubles. Their gift is about to reveal a secret that this school tries to hide.